In this bulletin an attempt is made to bring together in one place comprehensive statistics of fertilizer production, consumption, foreign trade, and kindred topics, as they relate to the United States . Also included are data on agricultural liming materials , gypsum, and peat. This compilation should serve, among other things, as an aid in charting the progress in the several phases of the subject; in evaluating national, regional, and State trends in the use of fertilizers and related materials; in forecasting their requirements for future use; in developing programs for expanding their production with respect to quantities and types of products and to plant location; in studies of the economics of their use in relation to farm income, crop production, and land-management practices; and in guiding their allocation in time of emergency.